Pith Number

pith:2H23FO25

pith:2018:2H23FO25BI4VP7Z2QJTOW5AEAI

not attested not anchored not stored refs pending

Heuristic and Cost-based Optimization for Diverse Provenance Tasks

Boris Glavic, Dieter Gawlick, Raghav Kapoor, Vasudha Krishnaswamy, Venkatesh Radhakrishnan, Xing Niu, Zhen Hua Liu

arxiv:1804.07156 v1 · 2018-04-17 · cs.DB

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:18:01.235645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1f5b2bb5d0a3957ff3a8266eb7404021df5e962e06a97c1da6d63978126fc65

Aliases

arxiv: 1804.07156 · arxiv_version: 1804.07156v1 · doi: 10.48550/arxiv.1804.07156 · pith_short_12: 2H23FO25BI4V · pith_short_16: 2H23FO25BI4VP7Z2 · pith_short_8: 2H23FO25

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2H23FO25BI4VP7Z2QJTOW5AEAI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d1f5b2bb5d0a3957ff3a8266eb7404021df5e962e06a97c1da6d63978126fc65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b290d17bb8abc85667baf4a797ea46ef7c68287814302f80ad6ddaaed1e9f9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2018-04-17T22:35:47Z",
    "title_canon_sha256": "d77c58735d2f3480037cc13ae8e74d5317bdd79ffdd9ddc1057016779adf42ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07156",
    "kind": "arxiv",
    "version": 1
  }
}